Finding the Fourth Proportional to 201,152.40, 301,536.60 and 74,758.80
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Solution
The fourth proportional to 201,152.40, 301,536.60 and 74,758.80 is: 112,066.84
Step by Step Solution
- Step 1: Write the proportion equation
201,152.40 : 301,536.60 = 74,758.80 : x - Step 2: Convert to fraction form
201,152.40/301,536.60 = 74,758.80/x - Step 3: Cross multiply
201,152.40x = 301,536.60 × 74,758.80 - Step 4: Simplify right side
201,152.40x = 22,542,514,372.08 - Step 5: Solve for x
x = 22,542,514,372.08/201,152.40 - Step 6: Final answer
x = 112,066.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.